The maintenance points of double needle bar Raschel warp knitting machine are as follows:
1. Daily maintenance
Cleaning work: After the machine stops running every day, thoroughly clean the flying flowers, dust and other debris on the surface of the machine. Because flying flowers and dust may enter the moving parts inside the machine, such as yarn guide needles, sinkers and other parts, affecting its normal operation. Use a special brush to clean the needle bed area to ensure that the needle core and needle groove are clean. The needle bed is a key component of the warp knitting machine. A clean needle bed can ensure the normal movement of the knitting needles.
Check the lubrication: Check the oil level of each lubrication point to ensure that the lubricating oil is sufficient. The double needle bed Raschel warp knitting machine has many high-speed running parts, such as the main shaft, swing shaft, etc. Good lubrication can reduce friction and wear between parts. Regularly replace the lubricating oil. According to the frequency of use and environment of the machine, it is generally replaced every 1-3 months to ensure the cleanliness and performance of the lubricating oil.
2. Regular maintenance
Check the wear of machine parts: Carefully check the wear degree of vulnerable parts such as knitting needles and sinkers. After long-term use, the needle hook may wear out, resulting in the yarn not being hooked. If the wear exceeds the specified range, it should be replaced in time.
Check the transmission parts, such as the tension and wear of the belt and chain. Appropriate belt tension can ensure the effective transmission of power. If the belt is severely worn or the tension is improper, it will slip, affecting the speed and weaving quality of the machine.
Electrical system inspection: Clean the inside of the electrical control cabinet to prevent dust accumulation from affecting the heat dissipation and normal operation of the electrical components.
Check whether the wire connection is firm and whether each sensor is working properly.
3. Long-term maintenance
Calibrate the machine accuracy: calibrate the parallelism and spacing of the needle bed. The accuracy of the needle bed is directly related to the quality of the fabric. Inaccurate needle bed spacing will lead to uneven density of the fabric.
Check and adjust the parameters of the warp feeding and pulling mechanism to ensure that the tension of the yarn and the pulling of the fabric are uniform and stable.
Comprehensive inspection and maintenance: Disassemble some key components of the machine, such as the oil bath box, for thorough cleaning and inspection of the wear of the internal parts. Evaluate the overall performance of the machine and make necessary repairs and adjustments based on the evaluation results to ensure the long-term stable operation of the machine.
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